net/mlx5: Added required metadata capability for ipsec

Currently our device requires additional metadata in packet
to perform ipsec crypto offload.

Signed-off-by: Aviad Yehezkel <aviadye@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fpga/ipsec.c b/drivers/net/ethernet/mellanox/mlx5/core/fpga/ipsec.c
index e7e2827..8de992b 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx5/core/fpga/ipsec.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fpga/ipsec.c
@@ -256,10 +256,12 @@ u32 mlx5_fpga_ipsec_device_caps(struct mlx5_core_dev *mdev)
        struct mlx5_fpga_device *fdev = mdev->fpga;
        u32 ret = 0;
 
-       if (mlx5_fpga_is_ipsec_device(mdev))
+       if (mlx5_fpga_is_ipsec_device(mdev)) {
                ret |= MLX5_ACCEL_IPSEC_CAP_DEVICE;
-       else
+               ret |= MLX5_ACCEL_IPSEC_CAP_REQUIRED_METADATA;
+       } else {
                return ret;
+       }
 
        if (!fdev->ipsec)
                return ret;

diff --git a/include/linux/mlx5/accel.h b/include/linux/mlx5/accel.h
index 601280c..b674af6 100644 (file)
--- a/include/linux/mlx5/accel.h
+++ b/include/linux/mlx5/accel.h
@@ -38,6 +38,7 @@
 
 enum mlx5_accel_ipsec_caps {
        MLX5_ACCEL_IPSEC_CAP_DEVICE             = 1 << 0,
+       MLX5_ACCEL_IPSEC_CAP_REQUIRED_METADATA  = 1 << 1,
        MLX5_ACCEL_IPSEC_CAP_ESP                = 1 << 2,
        MLX5_ACCEL_IPSEC_CAP_IPV6               = 1 << 3,
        MLX5_ACCEL_IPSEC_CAP_LSO                = 1 << 4,